In this paper diagnostics of the zonally-averaged global circulation in both isobaric and isentropic coordinates are presented. Although diagnostics for the entire FGGE year have been computed, only the results for January, April, July and October will be shown. The discussion focuses primarily on January or the Northern Hemisphere winter circulation. After a brief discussion of the data processing procedures the isobaric and isentroptic mass circulations are compared. The meridional distribution of zonally-averaged diabatic heating is calculated indirectly from the isentropic meridional mass circulation. In the final portion of the results diagnostics of relative angular momentum transport in isobaric and isentropic coordinates are contrasted and the forcing of mean meridional circulations is briefly discussed. (Author)

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